Chemical reactions and equations
Authored by Priya Gupta
Science
10th Grade
NGSS covered
Used 4+ times
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general chemical reaction for combination reaction?
A+B ----> C+D
A ------> C+D
A+B -------> AB
None of these.
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What happens when acid reacts with metals?
Hydrogen gas is evovled
Carbon dioxide is evolved
No reaction
Hydrogen gas is evolved and salt of that acid is formed
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
When a single compound breaks down to give many products, this type of reaction is called (a) reaction.
4.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Why do you think we should follow laboratory guidelines ?
We should not follow laboratory guidelines.
Chemicals are dangerous, we should follow guidelines to protect ourselves.
5.
OPEN ENDED QUESTION
3 mins • Ungraded
Write chemical reaction for burning of magnsium in air.
Evaluate responses using AI:
OFF
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rancidity is a process in which fat/oils smell due to the change process of
oxidation
reduction
displacement
neutralization
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following would indicate that a chemical reaction has occurred?
A new element has been created
A different substance has formed
The total mass has either increased OR decreased
The total number of elements has either increased OR decreased
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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